IDNStudy.com, kung saan ang mga eksperto ay sumasagot sa iyong mga tanong. Magtanong ng anumang bagay at makatanggap ng kumpleto at eksaktong sagot mula sa aming komunidad ng mga propesyonal.
Roofing nails
Roofing nails have large, flat heads that can better hold down materials such as roofing felt and fibreboard. Certain other nails are specially hardened so that they can be driven into masonry or concrete, usually in the act of attaching wooden members to these materials